Spiral kneader



FIG. 1 is a front elevational view of a spiral kneader showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front, right side perspective view showing the spiral kneader assembly in a retracted condition;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a spiral kneader, as shown. 